(0 11 3)(1 18 16 15 13)(2 9 4)(5 20 7)(6 10 8)(12 21 19 17 14)
ALLOWS (11/8)-SEQUENCE
1: (0 11 15)
(0 13 1 18 16 15 3)(2 9 4)(5 20 7)(6 10 8)(11)(12 21 19 17 14)
2: (1 18 13)
(0 13 16 15 3)(1)(2 9 4)(5 20 7)(6 10 8)(11)(12 21 19 17 14)(18)
3: (14 19 17)
(0 13 16 15 3)(1)(2 9 4)(5 20 7)(6 10 8)(11)(12 21 19)(14)(17)(18)
4: (0 13 16)
(0 15 3)(1)(2 9 4)(5 20 7)(6 10 8)(11)(12 21 19)(13)(14)(16)(17)(18)